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Black adapter cable set with 24-pin to 18-pin and 8-pin to 12-pin connectors

SMUGDESK

SMUGDESK ATX 24Pin to 18Pin & 8Pin to 12Pin Power Adapter Cable for HP Z440 Z640

SKU CH-Q7DA-Y70N3

Connects standard ATX power supplies to HP Z440 and Z640 motherboards via 24-pin to 18-pin and 8-pin to 12-pin adapters

  • Complete set includes main and CPU power cables
  • Designed exclusively for HP Z440 & Z640 workstations
  • Standard ATX PSU compatible for aftermarket upgrades
  • Thick 18AWG copper wiring delivers stable power
  • Precise OEM matching pin layout prevents boot failure

Complete adapter set for HP workstations

This matched cable set contains a 24Pin to 18Pin main power adapter and an 8Pin to 12Pin CPU power adapter built specifically for HP Z440 and Z640 motherboards. It enables installation of standard ATX power supplies in place of the original proprietary units. The kit addresses the proprietary connector barrier that otherwise prevents PSU upgrades on these platforms.

18AWG tinned copper with reinforced terminals

Thick 18AWG tinned copper wiring reduces resistance and voltage drop under sustained load. Precise OEM pin layout replication prevents boot failures and hardware damage from mismatched power delivery. Reinforced connector terminals resist loosening from chassis vibration during long workstation runs. Direct plug-and-play installation requires no modification to the motherboard or power supply.

Proprietary 18Pin and 12Pin motherboard interfaces

The adapters only function with HP Z440 and Z640 motherboards that use the proprietary 18Pin main and 12Pin CPU power connectors. They cannot be used with standard ATX motherboards or other workstation models lacking these specific interfaces. Builders needing to retain the original OEM power supply or working on different platforms will find no compatibility here.

Highlights

  • Complete set includes main and CPU power cables
  • Designed exclusively for HP Z440 & Z640 workstations
  • Standard ATX PSU compatible for aftermarket upgrades
  • Thick 18AWG copper wiring delivers stable power
  • Precise OEM matching pin layout prevents boot failure

Specifications

No published specifications for this item yet.

Questions about this item

Will the 24-pin to 18-pin adapter carry full ATX power to the HP Z440 motherboard?

The 18 AWG tinned copper wiring is sized for continuous workstation loads and the pin layout matches the OEM definition exactly.

What clearance do the 18-pin and 12-pin connectors need around the HP Z440 board?

Both connectors are direct replacements for the proprietary plugs, so they fit the existing motherboard headers without extra brackets.

Which connector goes on first when swapping the PSU in an HP Z640?

Route the 24-pin to 18-pin cable to the main board socket, then attach the 8-pin to 12-pin lead to the CPU header; reversing them leaves the CPU unpowered.

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